NJSLA-A grade 8 math practice test
A free practice set in the style of grade 8 math on the NJSLA-A: 12 questions in the online formats state tests use, marked as soon as you finish. Nothing is stored.

Grade 8 practice set
12 questions, with no clock. A new set every time, marked when you finish, with the marks by NJSLA-A’s categories.
Have paper and a pencil ready for working out.

What’s on grade 8 math
The NJSLA-A reports grade 8 math in 3 categories. The practice set covers each of them:
Expressions and Equations and the Number System
- Rational and irrational numbers
- Estimating square roots between whole numbers
- The rules of exponents
- Square roots and cube roots
- Scientific notation
- Slope from two points or a table
- Equations with variables on both sides
- Systems of two linear equations
Geometry
- Translations, reflections and rotations on the coordinate plane
- Similar figures and dilations
- Angles in triangles and where parallel lines are crossed
- The Pythagorean theorem
- Volume of cylinders, cones and spheres
Functions and Statistics and Probability
- What makes a relation a function
- Linear functions as models: rate of change and starting value
- Telling linear and nonlinear functions apart
- Scatter plots: association and lines of fit
- Two-way tables and relative frequencies
- The NJSLA-A checks the New Jersey Student Learning Standards (2023 NJSLS for ELA and mathematics).
- The real grade 8 test: 43 items
- Calculators: No calculator in grades 3-5. A basic four-function calculator in grade 6; check grades 7-8 with your school.
How to help at home
Do one set, then talk
After a set, look at the ones they missed together. Ask how they got their answer before saying what the right one is.
Little and often
A short set a few times a week does more than a long session the week before.
Use real life
Prices at the store, recipes, distances and times on a trip: grade-level math is everywhere.
Keep it calm
The test checks how the year went. A good night’s sleep helps more than cramming.
For the real test’s screens and tools, try the state’s official practice.
Other grades
See Thena explain the ones they missed
With an account, Thena goes over every question your child gets wrong: she puts it back on her board, finds the slip and works it through out loud, then gives them one like it to do alone.
Try 3 lessons free